(function() {
  'use strict';

  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');

  var register = function (editor) {
    var pluginName = '附件上传';
    // 从window对象获取baseURL，或者从editor配置中获取
    var baseURL = '';
    try {
      // 尝试从全局变量获取
      if (window.VUE_APP_BASE_API) {
        baseURL = window.VUE_APP_BASE_API;
      } else if (typeof process !== 'undefined' && process.env && process.env.VUE_APP_BASE_API) {
        baseURL = process.env.VUE_APP_BASE_API;
      }
    } catch(e) {
      console.warn('无法获取baseURL', e);
    }
    
    // 注册自定义图标，使用 📎 emoji
    var icons = editor.ui.registry.getAll().icons;
    if (!icons || !icons.attachment) {
      editor.ui.registry.addIcon('attachment', '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg"><foreignObject width="24" height="24"><div xmlns="http://www.w3.org/1999/xhtml" style="font-size: 18px; line-height: 24px; text-align: center;">📎</div></foreignObject></svg>');
    }
    
    editor.ui.registry.addButton('attachment', {
      icon: 'attachment',
      tooltip: '上传附件',
      onAction: function () {
        openAttachmentDialog(editor);
      }
    });

    editor.ui.registry.addMenuItem('attachment', {
      icon: 'attachment',
      text: '上传附件',
      onAction: function () {
        openAttachmentDialog(editor);
      }
    });

    function openAttachmentDialog(editor) {
      // 创建文件输入元素
      var input = document.createElement('input');
      input.type = 'file';
      input.multiple = true;
      input.accept = '*/*'; // 接受所有文件类型
      
      input.onchange = function(e) {
        var files = e.target.files;
        if (files.length === 0) return;
        
        // 上传每个文件
        Array.from(files).forEach(function(file) {
          uploadAttachment(editor, file);
        });
      };
      
      // 触发文件选择
      input.click();
    }

    function uploadAttachment(editor, file) {
      // 检查文件大小（50MB限制）
      var maxSize = 50 * 1024 * 1024; // 50MB
      if (file.size > maxSize) {
        editor.notificationManager.open({
          text: '文件大小不能超过50MB',
          type: 'error'
        });
        return;
      }

      // 显示上传进度
      var notificationId = editor.notificationManager.open({
        text: '正在上传 ' + file.name + '...',
        type: 'info',
        timeout: 0
      });

      // 创建FormData
      var formData = new FormData();
      formData.append('file', file);

      // 上传文件
      var xhr = new XMLHttpRequest();
      var uploadUrl = baseURL + '/api/admin/upload-file';
      if (!baseURL) {
        // 如果没有baseURL，尝试从当前页面获取
        var currentOrigin = window.location.origin;
        uploadUrl = currentOrigin + '/api/admin/upload-file';
      }
      xhr.open('POST', uploadUrl, true);
      
      // 设置请求头（获取token）
      var token = '';
      try {
        // 尝试从localStorage获取token（与request.js保持一致）
        var storageData = localStorage.getItem('stbc1_lifeData');
        if (storageData) {
          var data = JSON.parse(storageData);
          if (data && data.token) {
            token = data.token;
          }
        }
        // 如果还没有，尝试直接获取token
        if (!token) {
          token = localStorage.getItem('token') || sessionStorage.getItem('token') || '';
        }
      } catch(e) {
        console.warn('获取token失败', e);
      }
      
      if (token) {
        xhr.setRequestHeader('Authorization', 'Bearer ' + token);
      }
      
      // 设置其他必要的请求头
      xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');

      xhr.onload = function() {
        editor.notificationManager.close(notificationId);
        
        if (xhr.status === 200) {
          try {
            var response = JSON.parse(xhr.responseText);
            // 处理不同的响应格式
            var fileData = null;
            if (response.code === 200 && response.data) {
              fileData = response.data;
            } else if (response.data) {
              fileData = response.data;
            } else if (response.url) {
              fileData = response;
            }
            
            if (fileData && fileData.url) {
              // 创建附件链接
              var fileName = fileData.original_name || file.name;
              var fileUrl = fileData.url;
              var fileSize = formatFileSize(fileData.size || file.size);
              
              // 插入附件链接到编辑器
              var attachmentHtml = '<p><a href="' + fileUrl + '" download="' + fileName + '" style="display: inline-flex; align-items: center; padding: 8px 12px; background-color: #f5f7fa; border: 1px solid #dcdfe6; border-radius: 4px; text-decoration: none; color: #606266;">' +
                '<i style="margin-right: 8px; color: #409EFF;">📎</i>' +
                '<span style="margin-right: 8px;">' + fileName + '</span>' +
                '<span style="font-size: 12px; color: #909399;">(' + fileSize + ')</span>' +
                '</a></p>';
              
              editor.insertContent(attachmentHtml);
              
              editor.notificationManager.open({
                text: fileName + ' 上传成功',
                type: 'success',
                timeout: 3000
              });
            } else {
              throw new Error('响应格式错误');
            }
          } catch (e) {
            editor.notificationManager.open({
              text: '上传失败：' + (e.message || '未知错误'),
              type: 'error'
            });
          }
        } else {
          editor.notificationManager.open({
            text: '上传失败：服务器错误',
            type: 'error'
          });
        }
      };

      xhr.onerror = function() {
        editor.notificationManager.close(notificationId);
        editor.notificationManager.open({
          text: '上传失败：网络错误',
          type: 'error'
        });
      };

      xhr.upload.onprogress = function(e) {
        if (e.lengthComputable) {
          var percentComplete = (e.loaded / e.total) * 100;
          editor.notificationManager.open({
            text: '正在上传 ' + file.name + '... ' + Math.round(percentComplete) + '%',
            type: 'info',
            timeout: 0
          });
        }
      };

      xhr.send(formData);
    }

    function formatFileSize(bytes) {
      if (bytes === 0) return '0 B';
      var k = 1024;
      var sizes = ['B', 'KB', 'MB', 'GB'];
      var i = Math.floor(Math.log(bytes) / Math.log(k));
      return Math.round(bytes / Math.pow(k, i) * 100) / 100 + ' ' + sizes[i];
    }
  };

  function Plugin() {
    global.add('attachment', register);
  }

  Plugin();
})();